# RankPro vs Norwegian 4x4 Timer

The clearest difference is device support: RankPro at 3 against Norwegian 4x4 Timer's 1. RankPro also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RankPro ships an update every 8 days, Norwegian 4x4 Timer fortnightly. The most recent releases landed on September 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RankPro | Norwegian 4x4 Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/norwegian-4x4-timer/id6793446428/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | — | Free |
| Size | 41 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CARLOS FACUNDO MOLINA ALCHOURRON](https://appshunter.io/developer/1895379902) | [No Translation Layer LLC](https://appshunter.io/developer/1705015522) |

## What reviewers say

### RankPro

[App page](https://appshunter.io/ios/app/rankpro/id6763570342)

**In-app purchases:** none


### Norwegian 4x4 Timer

[App page](https://appshunter.io/ios/app/norwegian-4x4-timer/id6793446428)

This free app guides users through the Norwegian 4x4 interval training protocol to improve cardio and VO2 Max. It supports various cardio activities and allows for customization of interval durations and repetitions.

**Highlights:** Norwegian 4x4 Protocol guidance, Customizable interval durations, Adjustable number of intervals, Supports various cardio activities, VO2 Max improvement focus

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RankPro free?

RankPro is free to download, with no in-app purchases.

### Is Norwegian 4x4 Timer free?

Norwegian 4x4 Timer is free to download, with no in-app purchases.

### Do RankPro or Norwegian 4x4 Timer have ads?

Neither RankPro nor Norwegian 4x4 Timer shows ads.

### Which is updated more often, RankPro or Norwegian 4x4 Timer?

RankPro ships an update every 8 days, and Norwegian 4x4 Timer fortnightly. Most recently, RankPro was updated on September 21, 2026 and Norwegian 4x4 Timer on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*